<script setup lang="ts">
import { ref, onMounted } from "vue";
import { getCategoryList } from "@/api"; //导入axio接口
import type { Category } from "@/model"; //导入自定义数据类型

//定义菜单列表数据对象
const menuList = ref<Category[]>([]);

//获得菜单列表
async function getMenuList() {
  const res = await getCategoryList();
  menuList.value = res.data.data;
}

//页面组件加载完成
onMounted(() => {
  getMenuList();
});
</script>

<template>
  <ul>
    <li
      v-for="item_p in menuList.filter((value:Category)=>value.pid==0 && value.id!=37).slice(0, 9)"
    >
      {{ item_p.name }}
      <div class="layer">
        <div>分类推荐<span>根据您的购买或浏览记录推荐</span></div>
        <div>
          <div
            v-for="item_c in menuList.filter((value:Category)=>value.pid==item_p.id).slice(0, 9)"
          >
            {{ item_c.name }}
          </div>
        </div>
      </div>
    </li>
  </ul>
</template>

<style scoped>
ul {
  width: 200px;
  height: 100%;
  color: #ffffff;
  background-color: #000000;
  position: relative;
}
ul li {
  height: 40px;
  line-height: 40px;
  text-indent: 2em;
  cursor: pointer;
}
ul li:hover {
  background-color: #4799f4;
}
ul li:hover .layer {
  transform: scaleY(1);
}
.layer {
  background: rgba(255, 255, 255, 0.8);
  width: 1000px;
  height: 350px;
  color: #000000;
  position: absolute;
  left: 200px;
  top: 0px;
  z-index: 1000;
  transform: scaleY(0);
  transition: all 0.3s ease;
}
.layer > div:first-child {
  font-size: 20px;
  margin: 20px auto 0px auto;
}
.layer > div:first-child span {
  color: #666666;
  font-size: 14px;
  margin-left: 5px;
}
.layer > div:last-child {
  display: flex;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.layer > div:last-child > div {
  width: 300px;
  height: 70px;
  line-height: 70px;
  text-align: center;
  border-radius: 5px;
  background-color: #ffffff;
  text-indent: 0em;
  margin-left: 25px;
  margin-top: 20px;
  box-shadow: 2px 2px 2px 2px lightgray;
}
.layer > div:last-child > div:hover {
  background-color: #e3f9f4;
}
</style>
